The ATLAS Level-1 Calorimeter Trigger

Jurgen Thomas, Peter Watkins, Alan Watson, David Charlton, John Garvey, Stephen Hillier, Richard Staley

Research output: Contribution to journalArticle

70 Citations (Scopus)

Abstract

The ATLAS Level-1 Calorimeter Trigger uses reduced-granularity information from all the ATLAS calorimeters to search for high transverse-energy electrons, photons, tau leptons and jets, as well as high missing and total transverse energy. The calorimeter trigger electronics has a fixed latency of about 1 mu s, using programmable custom-built digital electronics. This paper describes the Calorimeter Trigger hardware, as installed in the ATLAS electronics cavern.
Original languageEnglish
Pages (from-to)P03001-P03001
JournalJournal of Instrumentation
Volume3
Issue number03
Early online date6 Mar 2008
DOIs
Publication statusPublished - 6 Mar 2008

Keywords

  • trigger concepts and systems (hardware and software)
  • digital electronic circuits

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